By Suzanne Palms and Pilar Mata

The Washington Department of Revenue determined that taxpayers have a right to rely on written but not oral instructions from the Department of Revenue. The taxpayer operated an Internet marketing business and sold its services to customers both inside and outside the state. In June 2011, the taxpayer amended

By Stephen Burroughs and Andrew Appleby

The Tennessee Court of Appeals held that the Commissioner had the authority to require Vodafone, a wireless communications provider, to use an alternative apportionment method for Tennessee franchise and excise tax purposes. Vodafone used Tennessee’s statutory cost-of-performance (COP) method to source its telecommunication service receipts. Using Tennessee’s statutory COP

We are pleased to announce the launch of the new Sutherland SALT Digital Economy Forum, which provides resources, legislative monitoring and advocacy, and strategic counsel on the state taxation of the Digital Economy. To access free resources on the taxation of the Digital Economy, click on the Digital Economy Forum link at the top of